*{
    margin: 0px;
    padding: 0px;
}
ul{
    list-style: none;
}


body{
    background: url("../images/apple.jpg");
    background-size: cover;
}


#header {

    background-color: rgb(241,241,241);
    box-shadow: 0px 1px 10px black;
    height: 30px;
    line-height: 30px;

}

#header .header-left li{
    display: inline-block;
    /*background-color: palegreen;*/
    margin: 0px 5px;
    font-size: 15px;
}
#header .header-left li:hover{
    cursor: pointer;
}


#header .header-right li:hover{
    cursor: pointer;
}

#header .header-left{
    display: inline-block;
}

#header .header-right{
    float: right;

}

/*头部右边*/
#header .header-right li{
    margin: 0px 5px;

}

#footer {
    width: 100%;
    height: 70px;
    /*background-color: rgb(241,241,241);*/
    position: absolute;
    bottom: 0px;

    text-align: center;
}
/*body*/
#body .file img{
    width: 60px;
    height: 60px;

}

#body .file p{
    color: #ffffff;
}
#body .file{
    /*background: purple;*/
    display: block;
    margin: 20px 20px;
    width: 60px;
}


#footer .dock{
    width: 70%;
    height: 100%;
    line-height: 60px;
    background: #ddd;
    display: inline-block;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    opacity: 0.8;


}

#footer .dock ul{
    display: inline-block;
}
#footer .dock  img{

    height: 50px;
    width: 50px;
    margin-right: 10px;


}

#footer .dock ul li{
    float: left;
    margin:0px 10px;
    /*过渡的时间 效果*/
    -webkit-transition:  0.25s linear;
}
#footer .dock ul li:hover{
    /*参照物*/
    -webkit-transform-origin:bottom center;
    /*形变*/
    -webkit-transform:scale(1.6);
}